R/util_rescale.R

In marcosci/NLMR: Simulating Neutral Landscape Models

#' util_rescale
#'
#' Linearly rescale element values in a raster to a range between 0 and 1
#'
#' @param x [\code{Raster* object}]
#'
#' @return Raster* object with values ranging from 0-1
#'
#' @details Rasters generated by \code{nlm_*} functions are scaled between 0 and 1 as default, this option can be set to \code{FALSE} if needed.
#'
#' @keywords internal
#'

util_rescale <- function(x) {
  rescaled_NLM <-
    (x - raster::cellStats(x, "min")) /
    (raster::cellStats(x, "max") - raster::cellStats(x, "min"))
  
  return(rescaled_NLM)
}